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Fiber polymer trim
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Patent number 11,473,312
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Issue date Oct 18, 2022
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CERTAINTEED GYPSUM AND CEILING MANUFACTURING INC.
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Douglas J. Wambaugh
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Fiber polymer trim
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Patent number 10,604,943
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Issue date Mar 31, 2020
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CERTAINTEED GYPSUM AND CEILING MANUFACTURING INC.
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Douglas J. Wambaugh
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Fiber polymer trim
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Patent number 10,100,528
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Issue date Oct 16, 2018
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CERTAINTEED GYPSUM AND CEILING MANUFACTURING, INC
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Douglas J. Wambaugh
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E04 - BUILDING
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Fiber polymer trim
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Patent number 9,446,546
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Issue date Sep 20, 2016
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CERTAINTEED GYPSUM AND CEILING MANUFACTURING, INC
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Douglas Wambaugh
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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